* {
    margin: 0;
}
body {
    width: 100vw;
}
a {
    text-decoration: none;
    outline: none;
}
ul,
h1,
h3,
h4,
p,
dl,
dd,
header,
main,
footer,
section,
aside,
article,
div,
body,
html {
    padding: 0;
    margin: 0;
}
i {
    font-style: normal;
}
ul {
    list-style: none;
}
// 过渡动画css

.fade-enter-active,
.fade-leave-active {
    transition: opacity 0.3s ease;
    -webkit-transition: opacity 0.3s ease;
    -moz-transition: opacity 0.3s ease;
    -ms-transition: opacity 0.3s ease;
    -o-transition: opacity 0.3s ease;
}

.fade-enter-from,
.fade-leave-to {
    opacity: 0;
}
